_-girl-hot-boyfriend-tina-nandi_und_720pmp4

It looks like you're dealing with a that has a messy, automated filename. Usually, a "proper text" for a video file should be a clean, descriptive title or a short summary of what the content actually is.

Use spaces or dashes instead to make it readable. _-girl-hot-boyfriend-tina-nandi_und_720pmp4

Unless you need to know it's "720p" or "mp4," you can leave those out of the display title. It looks like you're dealing with a that